/* 
 * Copyright (c) 2012, Fromentin Xavier, Schnell Michaël, Dervin Cyrielle, Brabant Quentin
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *      * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *      * The names of its contributors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Fromentin Xavier, Schnell Michaël, Dervin Cyrielle OR Brabant Quentin 
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package kameleon.gui.model;

import kameleon.exception.KameleonException;
import kameleon.gui.language.GuiLanguage;
import kameleon.gui.language.SwitchLanguage;
import kameleon.gui.model.InformationMessage.State;

/**
 * Model for the graphical interface. 
 * 
 * <p>Handles the high level functions
 * (like the languages).
 * 
 * @author		Schnell Michaël
 * @version		1.0
 */
public class Model extends GenerationModel {

	/**
	 * Builds an instance with the given options.
	 * 
	 * @param	debugMode
	 * 			flag indicating if the debug mode should be activated
	 * 			({@code true} means activated)
	 */
	public Model(boolean debugMode) {
		super(debugMode);
	}// Model(boolean)

	/**
	 * Builds an instance with default options.
	 */
	public Model() {
		this(DEFAULT_DEBUG_MODE) ;
	}// Model()

	/**
	 * Changes the language of the graphical interface.
	 * 
	 * @param	lang
	 * 			new language for the graphical interface
	 */
	public void changeLanguage(GuiLanguage lang) {
		SwitchLanguage sl = SwitchLanguage.getInstance() ;
		if ((lang != null) && !sl.getCurrentLanguage().equals(lang)) {
			try {
				sl.changeLang(lang) ; 
				this.notifyLanguageChange() ;
			} catch (KameleonException ke) {
				InformationMessage imsg = new InformationMessage(
						State.ERROR, LANGUAGE_CHANGE_ERROR,
						lang.getLanguage().getDisplayLanguage()) ;
				this.addMessage(imsg) ;
				this.displayDebugInformation(ke) ;
			}// try
		}// if
	}// changeLanguage(Language)

}// class Model